viii CONTENTS OF VOLUME VIII. 
of the Potato, p. 248. Microscopic Drawing, p. 249. Air-cells in a float- 
ing Leaf, p. 250. Life of Hæmatozoa, p. 250. Finding the chemical 
Focus in a EEE p. 251. A Spherical Diaphragm, p. 252. 
Leaf Sections, p. 252. Another Erector, p. 252. Cements, p.252. Auto- 
microscopy, p. 253. Measuring the growth-rate of Plants, p. 253. A re- 
volving Amplifier, p. 253. Quieting ees p. 253. On the Structure of 
iatoms, p. 309. Unmounted Objects, p. 316. Arranging Diatomacese 
(Illustrated), p. 371. Histology, p. 373. a sachet of the Saproleg- 
iei, p. 374. Section Cutters, p. 375. Lecture Illustrations of Micro- 
scopic Objects, p. 375. ura Scales, p. 376. Lengthened Immersion 
be, p. 376. Automatic Turntable, p.376. Origin of Blood Corpuscles, 
p- 376. Substitute for the Camera lucida, p. 377. Amphipleura pellucida 
in dots, p. 443. On Circulatory Movements in Vaucheria, p. 444. Im- 
provements in Insect Mounting, p. 507. Measuring Angular Apertures, 
p. 508. Cataloguing Microscopic ie p. 509. Sand-blast Cells, p 
510. Another Microscopical Cement, p. 510. New Application of Stain- 
ing to Pathology, p. 511. New Rotating Microscope, p 567. Mounting 
Diatoms, p. 568. Blood Crystals, p. 568. Tolles’ New Immersion 1-6th, p. 
568. Spheraphides in Tea Leaves, p. 638. New Microscopical Societies, 
p. 638. dost of the Blood in Tila: p. 638. Achromatic Bull’s 
Eye ae r, p.638. Embedding Tissues, p. 639. Glycerine Mounting, 
p- eaded Silica Films, p. 696. Cell-culture in the Study of Fungi, 
p. s Handling Diatoms, p. 697. Reproduction of Desmids, p. 698. 
Angular Apertures, p. 698. A Finder for Microscopes with plain stage, 
p. 700. The Sremo Prism as a substitute for the Mirror for trans- 
mitted light, p. 700. ee tak for giving pressure to objects while dry- 
ing, p. 700. The new Type Plate, p. 701. Fixing Diatoms, p. 701. The 
Podura Scale, p. 702. itapa of the Rhizopods, p. 761. 
OTES.—Pages 62, 128, 191, my 316, 377, 445, 511, 569, 639, 702, 762. 
KS oki b Pii 64, ic 192, 256, en 384, 448, 512, 576, 704,765. 
ANSWERS TO CORRESPONDENTS. — Page 12 
ERRATA. 
Page 58, line 10, for “ Germədius” read Genn sie Page 114, line 3 from bottom. 
for * arising ” read arriving. Page 115, for “ Thorne” read Th . Page 237, last line, 
for “I. J. Wyman” . Wyman. Pare 358, in the description of Ribes Wolfii, im- 
mediately after sp. n. insert (R. Sanguineum Pu . Vari Watson, 381 in 
King’s Report, vol. v, gi 100) and erase “3 to 6 feet high » into 2 to 4 feet high. Page 
482, after the d “c” read “ Branchlets mostly tapering to base,” omitting * oppo- 
- site and.” Page 483, line 30 from at for “g” read q. Page 485, line 16 from top, for. 
ef” read f?. Page 491, for numbers ‘150, 151, 152, 153. etc., to 194,” read Nos. 149(2), 150, 
151, 152, etc., to 198, each number having been by accident ngeses ard, thus not 
ding with the references above. Thus Ulva Lactuca should fas No. 161 in- 
stead of No. 162.’ Page — line 15 from top, ae “ slip” wey slit. 1 
from bottom, insert a comma after “century.” Page 547, 10th line from bottom, for 
“of which the latter two,” re ay of which latter two. Page 551, a line from bottom, 
for “ subi” read subis; 4th line from bottom, insert “ no” before “similar.” Page 552, 
for “J. S. Merrill” read J. C. Merrill. 
